Home / 261,568.38-391,332.82-229,291.22

Finding the Fourth Proportional to 261,568.38, 391,332.82 and 229,291.22

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Solution

The fourth proportional to 261,568.38, 391,332.82 and 229,291.22 is: 343,042.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,568.38 : 391,332.82 = 229,291.22 : x
  2. Step 2: Convert to fraction form
    261,568.38/391,332.82 = 229,291.22/x
  3. Step 3: Cross multiply
    261,568.38x = 391,332.82 × 229,291.22
  4. Step 4: Simplify right side
    261,568.38x = 89,729,178,231.53
  5. Step 5: Solve for x
    x = 89,729,178,231.53/261,568.38
  6. Step 6: Final answer
    x = 343,042.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.